-An invention shall not be deemed to have lost its novelty if it is published in the following cases, provided that the invention registration application is filed within six (6) months from the date of publication:
It is published by another person without permission from the person having the right to register it;
It is published in the form of a scientific presentation by the person having the right to register it;
It is displayed at a national exhibition of Vietnam or at an official or officially recognized international exhibition by the person having the right to register it.
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